10.Ana Bartczak, Jeffrey Englin and Arwin Pang, “When to go to a forest? An Analysis of the Seasonal Demand for Forest Visitation in Poland,” 12th BIOECON Conference, From the Wealth of Nations to the Wealth of Nature: Rethinking Economic Growth, Venice, Italy, Sep 27-28, 2010.

11.Ana Bartczak, Jeffrey Englin and Arwin Pang, “When to go to a forest? An Analysis of the Seasonal Demand for Forest Visitation in Poland,” Belpasso International Summer School on Environmental and Resource Economics: The Economics of Ecosystem Services and Biodiversity Conservation, Belpasso, Italy, Sep 12-18, 2010.